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What relation is your sister's cousin's aunt's brother's daughter's grandfather to you ?

What relation is your brother's cousin's sister's father to you ?

What relation is your uncle's daughter's father's cousin's brother to you ?

What relation is your cousin's sister's father in law's son's grandfather to you ?

What relation is your sister's cousin's father in law's daughter's father to you ?

What relation is your son's uncle's sister's father in law's brother to you ?